#661F87#661F87

#661F87 is a dark, vivid purple. Relative luminance 0.056; OKLCH L 40.3% C 0.167 H 312.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#661F87
RGB	rgb(102, 31, 135)
HSL	hsl(281, 63%, 33%)
HSV	hsv(281, 77%, 53%)
CMYK	cmyk(24.4%, 77%, 0%, 47.1%)
CIE-LAB	lab(28.26, 47.93, -43.56)
CIE-LCH	lch(28.26, 64.77, 317.73°)
OKLab	oklab(40.3% 0.1124 -0.1232)
OKLCH	oklch(40.3% 0.167 312.4)
XYZ	xyz(10.3419, 5.5543, 23.4443)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F87 #40871F

analogous

#321F87 #661F87 #871F74

triadic

#661F87 #87661F #1F8766

tetradic

#661F87 #87321F #40871F #1F7487

square

#661F87 #87321F #40871F #1F7487

split-complementary

#661F87 #74871F #1F8732

monochromatic

#1B0823 #401455 #661F87 #8C2AB9 #AA4BD6

Accessibility & contrast

On white

9.95

#661F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#661F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F87

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F87	#FFFFFF	#000000	##FFFFFF
##661F87	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8A

Deuteranopia (green-blind)

#104485

Tritanopia (blue-blind)

#623752

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661f87;
/* rgb */ color: rgb(102, 31, 135);
/* oklch */ color: oklch(40.3% 0.167 312.4);

Tailwind

colors: {
  custom: {
    50: '#9663ab',
    500: '#661f87',
    950: '#000000',
  },
}

SCSS

$custom: #661f87;
$custom-light: #9663ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661f87",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 135
  },
  "hsl": {
    "h": 280.962,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40296,
    "c": 0.1668,
    "h": 312.4
  },
  "luminance": 0.05554
}

Semantic roles & 50–950 ramp

primary

#661F87

secondary

#6DB84A

accent

#E64276

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F87

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →